47 citations · 437 across the 52 of their papers we have counts for
15 papers · 1 filter
Unification of DE-DM from Diffusive Cosmology
David Benisty, Eduardo Guendelman, Zbigniew Haba
Generalized ideas of unified dark matter and dark energy in the context of dynamical space time theories with a diffusive transfer of energy are studied. The dynamical space-time t…
Four-Dimensonal Gauss-Bonnet Gravity Without Gauss-Bonnet Coupling to Matter - Spherically Symmetric Solutions, Domain Walls and Spacetime Singularities
Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva
We discuss a new extended gravity model in ordinary spacetime dimensions, where an additional term in the action involving Gauss-Bonnet topological density is included withou…
Quadratic curvature theories formulated as Covariant Canonical Gauge theories of Gravity
David Benisty, Eduardo I. Guendelman, David Vasak +2
The Covariant Canonical Gauge theory of Gravity is generalized by including at the Lagrangian level all possible quadratic curvature invariants. In this approach, the covariant Ham…
Two scalar fields inflation from scale-invariant gravity with modified measure
David Benisty, Eduardo I. Guendelman
A new class of gravity-matter model defined with an independent non-Riemannian volume form is studied, in the second order formalism. The action has a global scale invariance symme…
Gauss-Bonnet Gravity in Without Gauss-Bonnet Coupling to Matter - Cosmological Implications
Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva
We propose a new model of Gauss-Bonnet gravity. To avoid the usual property of the integral over the standard Gauss-Bonnet scalar becoming a total derivative term, we e…
Modified Gravity and Inflaton Assisted Dynamical Generation of Charge Confinement and Electroweak Symmetry Breaking in Cosmology
Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva
We describe a new type of gravity-matter models where modified f(R)=R+R^2 gravity couples non-canonically to a scalar "inflaton", to the bosonic sector of the electroweak particle…